package cn.tedu._07springaop.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

import java.util.Arrays;

@Aspect
@Component
public class LogAspect {
   // @Pointcut("execution(public int cn.tedu._07springaop.aop.CalculatorImpl.add(..))||execution(public int cn.tedu._07springaop.aop.CalculatorImpl.sub(..))")
   @Pointcut("execution(public int cn.tedu._07springaop.aop.CalculatorImpl.*(..))")
   public void doTime (){}
    @Before(value = "doTime()")
/*public void beforeMethod(JoinPoint joinPoint) {
   String name=joinPoint.getSignature().getName();
   String args= Arrays.toString(joinPoint.getArgs());
    System.out.println("[前置通知]"+name +"方法开始了");
}
@After(value = "doTime()")
public void afterMethod(JoinPoint joinPoint) {
   String name=joinPoint.getSignature().getName();
   System.out.println("[后置通知]"+name +"方法结束了");
}
    @AfterReturning(value = "doTime()", returning = "result")
    public void afterReturningMethod(JoinPoint joinPoint, Object result){
        String name = joinPoint.getSignature().getName();
        System.out.println("[返回通知]" + name + "方法正常返回,结果为:" + result);
    }
    @AfterThrowing(value = "doTime()", throwing = "ex")
    public void afterThrowingMethod(JoinPoint joinPoint, Throwable ex){
        String name = joinPoint.getSignature().getName();
        System.out.println("[异常通知]" + name + "方法异常,异常信息为:" + ex.getMessage());
    }*/
    @Around(value = "doTime()")
    public Object aroundMethod(ProceedingJoinPoint joinPoint) {
        Object result = null;
        try {
            System.out.println("[环绕通知]：前置通知 ");
            result = joinPoint.proceed();
            System.out.println("[环绕通知]：返回通知" );
        } catch (Throwable e) {

            System.out.println("[环绕通知]：异常通知" );
        }finally {
            System.out.println("[环绕通知]：后置通知");
        }
        return result;
    }
}
